Island



(No Model.)

S. N. SMITH.

MANUFACTURE OF LAGING sTUDs.

No. 498,315. Patented May .30, 1893.

NITED STATES PATENT OFFICE.

STEPHEN N; SMITH, OF PROVIDENCE, RHODE ISLAND.

MANUFACTURE OF LAClNG-STUDS.

SPECIFICATION forming part of Letters Patent No. 498,315, dated May 30, 1893.

Applicationfiled August 5, 1892- Serial No.442,234. (N0 model.)

To all whom it may concern:

Be it known that I, STEPHEN N. SMITH, a citizen of the United States of America, residing at Providence, in the county of Providence and State of Rhode Island, have invented certain new and useful Improvements in the Manufacture of Lacing-Studs, of which the following is a specification.

My invention relates to the manufacture of lacing studs of that class in which my base plate is provided with attaching prongs, to connect it to the leather or fabric, and is combined with a neck or head which forms the hook or lacing part of the stud. Such studs have been heretofore made in many forms, and my invention consists first in an improvement in the art, which isa new and improved mode of making such studs; and second, in an improved special form of stud.

My said invention is illustrated in the accompanying drawings, in which Figure 1 shows in side elevation the form of the wire or blank out of which my stud is formed. Fig. 2 is asimilar View of the blank when the part forming the head, base and neck has been upset. Fig. 3 shows a cross section on line cc-x of Fig. 2. Fig. 4 shows a side elevation of the blank, with the head of the blank milled out. Fig. 5 shows the finished form of the shank. Fig. 6 is a side View of the completed stud.

In the drawings, the piece of wire shown in Fig. l is of the proper length to form the stud, and in diameter equal to the diameter of the shank. In the first step of the process, one end of the blank is upset, and is formed thereby into a larger cylinder, in length equal to the outside measure from the bottom of the base plate to the top of the head of the finished stud. The remaining part is of the length required for the prongs and is of the original diameter of the wire, which is less than the upset part, with a shoulder in plane at right angles to the shank, this form being shown in Figs. 2 and 3. I therefore, asasec- 0nd step, mill out the solid blank-head laterally from one side, leaving a neck a, on the other, which connects thebaso b with the head 0. v

The third step of the process consists in splitting the solid shank into two prongs, the milling out being widest at the points, and narrowing to the bottom of the base, leaving the inner faces of the prongs, which form the attaching shank, slightly diverging, as usual.

The second and third steps maybe reversed in order. This process may be carried out by hand, with ordinary tools, but is practically performed by suitable machinery.

I claim The hereinbefore described method of making lacing studs, consisting in taking a piece of solid wire of the diameter of the finished shank, upsetting the upper end thereof concentrically of the base, milling the upset part laterally to form the head, neck and base, and finally dividing the base by milling to the line of the upset portion, substantially as described.

In testimony whereof I affix my signature in presence of two witnesses.

STEPHEN N. SMITH.

Witnesses:

GILMAN E. J OPP, CURTIS E. HILL. 

